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/*
* Copyright 2019 by its authors. See AUTHORS.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef EOLIAN_CXX_CASE_HH
#define EOLIAN_CXX_CASE_HH
#include "grammar/context.hpp"
#include "grammar/generator.hpp"
namespace efl { namespace eolian { namespace grammar {
struct upper_case_tag {};
struct lower_case_tag {};
template <typename Context>
context_cons<upper_case_tag, Context>
add_upper_case_context(Context const& context)
{
return context_add_tag(upper_case_tag{}, context);
}
template <typename Context>
context_cons<lower_case_tag, Context>
add_lower_case_context(Context const& context)
{
return context_add_tag(lower_case_tag{}, context);
}
template <typename G>
struct lower_case_generator
{
lower_case_generator(G g) : g(g) {}
template <typename OutputIterator, typename Attribute, typename Context>
bool generate(OutputIterator sink, Attribute const& attribute, Context const& context) const
{
return as_generator(g).generate(sink, attribute, add_lower_case_context(context));
}
G g;
};
template <typename G>
struct upper_case_generator
{
upper_case_generator(G g) : g(g) {}
template <typename OutputIterator, typename Attribute, typename Context>
bool generate(OutputIterator sink, Attribute const& attribute, Context const& context) const
{
return as_generator(g).generate(sink, attribute, add_upper_case_context(context));
}
G g;
};
template <typename G>
struct is_eager_generator<lower_case_generator<G>> : std::true_type {};
template <typename G>
struct is_eager_generator<upper_case_generator<G>> : std::true_type {};
template <typename G>
struct is_generator<lower_case_generator<G>> : std::true_type {};
template <typename G>
struct is_generator<upper_case_generator<G>> : std::true_type {};
namespace type_traits {
template <typename G>
struct attributes_needed<lower_case_generator<G>> : attributes_needed<G> {};
template <typename G>
struct attributes_needed<upper_case_generator<G>> : attributes_needed<G> {};
}
struct lower_case_directive
{
template <typename G>
lower_case_generator<G> operator[](G&& g) const
{
return lower_case_generator<G>{g};
}
} const lower_case = {};
struct upper_case_directive
{
template <typename G>
upper_case_generator<G> operator[](G&& g) const
{
return upper_case_generator<G>{g};
}
} const upper_case = {};
} } }
#endif
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